A small tool very usefull for sort the DX7 SysEX BANKS (until 200 Banks simultanously max) before of they converting to the MONTAGE. Easy use, it's not complicated to build your proper Banks. Sometimes some banks are refused by the "YAMAHA CONVERTER" : Open it inside the "DX7 to MONTAGE BANK Builder" and create a new Bank and place that bank in the converter and convert it successfully.